InChI=1S/C36H32O16/c37-15-6-4-14(5-7-15)36-33(45)26(24-21(9-17(39)10-22(24)51-36)48-35-29(44)27(42)28(43)32(50-35)34(46)47)25-23(52-36)12-19(40)18-11-20(41)30(49-31(18)25)13-2-1-3-16(38)8-13/h1-10,12,20,26-30,32-33,35,37-45H,11H2,(H,46,47)